Doctor profile · Federal record

Dr. Barbara Knoll, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Minneapolis, MN

  • NPI 1306838644
  • Accepts Medicare
  • MIPS 82.5 / 100 · 2023
  • 36 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 Park Ave
Minneapolis, MN 554151623
(612) 873-2036
fax (612) 904-4567

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
February 6, 2026
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
Minnesota #42939 · Florida #041790

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306838644. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,298
Distinct HCPCS
10
Medicare allowed
$62,819
HCPCS Description Services Patients Avg allowed
70450 Ct scan head or brain without contrast 433 343 $39
72125 Ct scan of upper spine without contrast 184 173 $45
72131 Ct scan of lower spine without contrast 97 96 $44
70553 Mri scan of brain before and after contrast 75 72 $108
72128 Ct scan of middle spine without contrast 74 73 $44
70496 Ct scan of blood vessels of head with contrast 64 58 $82
70498 Ct scan of blood vessels of neck with contrast 60 56 $78
72100 X-ray of lower and sacral spine, 2-3 views 51 47 $11
70551 Mri scan of brain without contrast 45 45 $69
72148 Mri scan of lower spinal canal without contrast 40 40 $69

In context: peer comparison

Among 24 peers in this city , average services per provider: 151. This provider delivers 8.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Barbara Knoll's medical specialty?
Dr. Barbara Knoll practices Diagnostic Radiology Physician in Minneapolis, MN.
Where does Dr. Barbara Knoll practice?
Dr. Barbara Knoll practices at 701 Park Ave, Minneapolis, MN 554151623. Office phone: 6128732036.
What is Dr. Barbara Knoll's NPI?
Dr. Barbara Knoll's National Provider Identifier (NPI) is 1306838644, issued by NPPES.
Does Dr. Barbara Knoll accept Medicare assignment?
Yes. Dr. Barbara Knoll accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Barbara Knoll commonly perform?
Top Medicare-reported procedures in 2023: Ct scan head or brain without contrast (HCPCS 70450); Ct scan of upper spine without contrast (HCPCS 72125); Ct scan of lower spine without contrast (HCPCS 72131). Source: CMS Medicare Physician & Other Practitioners file.